Serpentine and Steatite Optical Properties

Serpentine

Steatite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.560-1.5711.539-1.596

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.008-0.0140.046-0.050

0 0.296

1.9 Clarity

Translucent

OpaqueUlrich Henn and Claudio C. Milisenda

Serpentine and Steatite Optic Character

Serpentine and Steatite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Serpentine and Steatite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Serpentine and Steatite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Serpentine and Steatite Transparency

Similar to their colors, Serpentine and Steatite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Serpentine is Translucent while Serpentine is Translucent in appearance.